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DBMS > BigObject vs. RocksDB vs. SQL.JS vs. VelocityDB

System Properties Comparison BigObject vs. RocksDB vs. SQL.JS vs. VelocityDB

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Editorial information provided by DB-Engines
NameBigObject  Xexclude from comparisonRocksDB  Xexclude from comparisonSQL.JS  Xexclude from comparisonVelocityDB  Xexclude from comparison
DescriptionAnalytic DBMS for real-time computations and queriesEmbeddable persistent key-value store optimized for fast storage (flash and RAM)Port of SQLite to JavaScriptA .NET Object Database that can be embedded/distributed and extended to a graph data model (VelocityGraph)
Primary database modelRelational DBMS infoa hierachical model (tree) can be imposedKey-value storeRelational DBMSGraph DBMS
Object oriented DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.13
Rank#329  Overall
#147  Relational DBMS
Score2.84
Rank#97  Overall
#16  Key-value stores
Score0.53
Rank#246  Overall
#115  Relational DBMS
Score0.00
Rank#385  Overall
#40  Graph DBMS
#21  Object oriented DBMS
Websitebigobject.iorocksdb.orgsql.js.orgvelocitydb.com
Technical documentationdocs.bigobject.iogithub.com/­facebook/­rocksdb/­wikisql.js.org/­documentation/­index.htmlvelocitydb.com/­UserGuide
DeveloperBigObject, Inc.Facebook, Inc.Alon Zakai infoenhancements implemented by othersVelocityDB Inc
Initial release2015201320122011
Current release9.4.0, June 20247.x
License infoCommercial or Open Sourcecommercial infofree community edition availableOpen Source infoBSDOpen Sourcecommercial
Cloud-based only infoOnly available as a cloud servicenononono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageC++JavaScriptC#
Server operating systemsLinux infodistributed as a docker-image
OS X infodistributed as a docker-image (boot2docker)
Windows infodistributed as a docker-image (boot2docker)
Linuxserver-less, requires a JavaScript environment (browser, Node.js)Any that supports .NET
Data schemeyesschema-freeyesyes
Typing infopredefined data types such as float or dateyesnoyesyes
XML support infoSome form of processing data in XML format, e.g. support for XML data structures, and/or support for XPath, XQuery or XSLT.nononono
Secondary indexesyesnoyes
SQL infoSupport of SQLSQL-like DML and DDL statementsnoyes infoSQL-92 is not fully supportedno
APIs and other access methodsfluentd
ODBC
RESTful HTTP API
C++ API
Java API
JavaScript API.Net
Supported programming languagesC
C++
Go
Java
Perl
Python
Ruby
JavaScript.Net
Server-side scripts infoStored proceduresLuanonono
TriggersnonoCallbacks are triggered when data changes
Partitioning methods infoMethods for storing different data on different nodesnonehorizontal partitioningnoneSharding
Replication methods infoMethods for redundantly storing data on multiple nodesnoneyesnone
MapReduce infoOffers an API for user-defined Map/Reduce methodsnononono
Consistency concepts infoMethods to ensure consistency in a distributed systemnonenoneImmediate Consistency
Foreign keys infoReferential integrityyes infoautomatically between fact table and dimension tablesnoyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanoyesACIDACID
Concurrency infoSupport for concurrent manipulation of datayes infoRead/write lock on objects (tables, trees)yesyes
Durability infoSupport for making data persistentyesyesno infoexcept by serializing a db to a fileyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyesyesyes
User concepts infoAccess controlnononoBased on Windows Authentication

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More resources
BigObjectRocksDBSQL.JSVelocityDB
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